Speed Tests: Windows 8 Vs. Windows 7 - http://www.pcmag.com/article...
Jul 8, 2012
from
"Browser performance is also notably better, and it's encouraging that Geekbench showed a little improvement and PCMark 7 a significant one. Yes, this is not even the RTM, or final release of Windows 8, but the early test results are encouraging. New hardware will, of course, make the new OS scream, particularly if you opt for SSD storage."
- LANjackal